AM Radio Transmitter KIt

 Note: Click on images to enlarge.

Schematic

Parts

Assembled Board

 Videos of the transmitter in action:


Range: Measured at around 4 feet

Oscilloscope traces:

Oscillator output
(L1 input with no input signal)


1 MHz carrier wave
(L1 output with no input signal)


Carrier modulated with 1 KHz input tone
(measured at L1 output)